Feeder Roots : The youngest roots with root hairs, important in absorption of water and minerals.

Fish Emulsion : A liquid fertilizer made from fish. NPK 10.5-6-0. If applied with liquid seaweed makes one great all around fertilizers.

Foliage : A term that refers to the leaves of a plant.

Foliar Spray : Liquid solution of fertilizers sprayed on the leaves and is quickly absorbed and used right away. Increase harvest dramatically - 50% more corn, 64% more potatoes.

Fruit Tree Propagation : Propagation of fruit trees is usually carried out asexually by grafting the desired variety onto a suitable rootstock.

Fungicide : A pesticide used for control of fungi. Synonyms: antifungal, antifungal agent, antimycotic, antimycotic agent.

Germination : The act of sprouting, of a seed or spore.

Granite Sand : Weathered or ground-up granite rock. Contains silicas and 19 trace minerals. Has 1-4% total potash.

Greenhouse : Also called a glasshouse or hothouse, is a building where plants are cultivated.

Greensand : A sediment called glauconite that is naturally deposited undersea. It's an excellent source of potash. Add as an iron supplement.

Guano : Manure of birds and bats that is used for fertilizer purposes.

Graft Union : Place where the rootstock joins the scion or top part of a grafted tree or vine.

Ground Cover : Any of various low, dense-growing plants, as ivy, pachysandra, etc., used for covering the ground, as in places where it is difficult to grow grass.

Gypsum : Calcium sulfate, a mineral used in fertilizer as a source of calcium and sulfur. Also used to imporve alkaline soils having a high sodium content.

Hay : Grass or clover that is cut while still green and used as a fodder or mulch.

Hardening off : The process of gradually exposing plants to cooler and adverse growing conditions to increase their chances of living when planted outside.

Hardscaping : The landscape consists mostly of concrete, stones or gravel, with perhaps a cactus or two thrown in, but can look quite lush and colorful.

Hardy : A plant which will survive the normal temperature range in a given area.

Herbicide : A product used for weed control.

Honeydew : An excretion from insects, such as aphids, mealybugs, whiteflies, and soft scales, consisting of modified plant sap.

Host : A plant or animal that provides sustenance for another organism.

Humus : Soil or organic matter that is broken down, smells like the forest floor. 3-5% of this organic matter should be found in healthy soil. Is a slow release form of food for microorganisms.

Hydromulching : Amethod of seeding using seed, fertilizer, and mulch in a mixed solution sprayed on the soil surface.

Hydroponics : Is the growing of plants without soil.

Hypha (plural: hyphae). : One of the filaments forming the body, or mycelium, of a fungus.